Home / 436,046.20-654,263.70-155,764.60

Finding the Fourth Proportional to 436,046.20, 654,263.70 and 155,764.60

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Solution

The fourth proportional to 436,046.20, 654,263.70 and 155,764.60 is: 233,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,046.20 : 654,263.70 = 155,764.60 : x
  2. Step 2: Convert to fraction form
    436,046.20/654,263.70 = 155,764.60/x
  3. Step 3: Cross multiply
    436,046.20x = 654,263.70 × 155,764.60
  4. Step 4: Simplify right side
    436,046.20x = 101,911,123,525.02
  5. Step 5: Solve for x
    x = 101,911,123,525.02/436,046.20
  6. Step 6: Final answer
    x = 233,716.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.